E-commerce Insights: All You Should Know About Click Fraud

How Fictitious Clicks Occur in Third-Party Click Fraud Audit Reports
www.google.com/search?q=Fictitious+Clicks+Third-Party+Reports

The Lane’s Gifts v. Google
Report by Prof. Alexander Tuzhilin
http://googleblog.blogspot.com/pdf/Tuzhilin_Report.pdf

Click Forensics Blog
www.cfnblog.com

Click Forensics
www.clickforensics.com